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Finding the Fourth Proportional to 27,045.84, 40,569.04 and 9,515.84

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Solution

The fourth proportional to 27,045.84, 40,569.04 and 9,515.84 is: 14,273.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045.84 : 40,569.04 = 9,515.84 : x
  2. Step 2: Convert to fraction form
    27,045.84/40,569.04 = 9,515.84/x
  3. Step 3: Cross multiply
    27,045.84x = 40,569.04 × 9,515.84
  4. Step 4: Simplify right side
    27,045.84x = 386,048,493.59
  5. Step 5: Solve for x
    x = 386,048,493.59/27,045.84
  6. Step 6: Final answer
    x = 14,273.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.